March 25, 2026

Jeffrey Reed

Jeff Reed, PE, is the Director of our Texas region, a Vice President of SCS Engineers, and one of our National Experts on Landfill Design/Construction Quality Assurance (CQA). He has over three decades of experience working predominantly on solid waste landfill projects. Project experience includes stormwater management, ...

March 25, 2026

Lee Pyle

Lee Pyle is a Vice President of SCS Engineers, the Business Unit Director of our SCS Tracer Division, and our National Expert on Risk Management Plans and Process Safety Management. Ms. Pyle serves as lead engineer on many projects and prepares Risk Management and Safety Management Programs as she ...

March 25, 2026

Eric Nelson

Eric Nelson is the Business Unit Director of our Upper Midwest Region. He is also a Vice President and one of our National Experts for Electric Utilities. He is an engineer and hydrogeologist with over 20 years of experience. Mr. Nelson's diverse experience includes solid waste landfill ...

March 25, 2026

Monahan Christoper

Chris Monahan holds an LL.M in Business Law from the University of Sydney, a Juris Doctor from Loyola Law School, an MS in Civil Engineering from UCLA, Bachelor’s degrees in Engineering (Cal State Long Beach) and Accounting (Pepperdine), and graduate certificates in Enterprise Risk Management and Construction Management from ...

March 25, 2026

Gregory Helland

Greg Helland, RG, LG, is a Vice President and serves as the Northwest Business Unit Director. His technical experience includes management and project experience related to site assessment, RI/FS, environmental monitoring and data management, hazardous waste characterization, regulatory compliance, remediation and management, Brownfields, permitting, NEPA/SEPA, and human health and ...

March 25, 2026

Jeffrey J. Grill

Jeffrey J. Grill is the Business Unit Director of our SCS Energy division, a Vice President of SCS Engineers, and our National Expert on Landfill Gas and Biogas to Energy. His expertise includes designing, constructing, operating, and maintaining biogas to Renewable Natural Gas & energy facilities, including Landfill Gas-to-Energy ...

March 25, 2026

Darrin Dillah

Darrin Dillah, PE, PhD, BCEE, is a Senior Vice President of SCS Engineers and heads up our LFG/Engineering Group in SCS's Reston, Virginia office. His group works on a variety of solid waste engineering design/build projects ranging from biogas/landfill gas and landfills to pump stations, transfer stations, and biogas ...

March 25, 2026

Srividhya Viswanathan

Vidhya Viswanathan, PE, is a Senior Vice President with solid waste engineering, infrastructure design, and construction project expertise. She is the Director of Engineering of our Southwest region where she leads our solid waste engineering operations in California, Arizona, Nevada, Utah, and New Mexico. She is a licensed Professional ...

March 25, 2026

Robert Viers

Bob Viers, P.E. is a Senior Vice President and a Project Director for our SCS Energy division. He is the Lead Design Engineer for many types of energy projects and supervises the design or design/construction of almost all of SCS Energy's landfill gas power generation projects and renewable natural ...

March 25, 2026

Patrick Sullivan

Pat Sullivan, BCES, CPP, REPA, is a Senior Vice President and the Business Unit Director of our Southwest Region, encompassing California, Arizona, Nevada, Utah, and New Mexico. Pat is a Harvard-degreed scientist, a Registered Environmental Property Assessor (REPA), Board Certified Environmental Scientist (BCES), Certified Permitting Professional (CPP) in ...

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